100 Lei Trajan's Column

Romania's National Bank has issued commemorative gold pieces tied to Trajan's Column several times, capitalizing on the monument's direct connection to Roman Dacia — the territory that gives modern Romania much of its founding mythology. The column, completed in 113 AD to mark Trajan's Dacian campaigns, remains in Rome, which has occasionally made Romanian claims to it a point of quiet diplomatic friction.

The .900 fineness places this outside standard bullion specifications, a deliberate choice the BNR has used across its commemorative program to signal collector rather than investment intent.